Hi, On Thu, Jul 30, 2009 at 11:23:53AM -0400, william ratcliff wrote: > The problem is that the current problem with Poly breaks thinks which depend > on it. For us, it breaks calculation of eigenvalues...Is it possible to > exclude symbols which are not in the polynomial variable? Right now, it > seems to decompose all symbols.... > > Thanks, > William >
you can always specify variables, e.g.: In [3]: f = Poly(x*y*z, y, z) In [4]: f.coeffs Out[4]: (x,) In [5]: f.monoms Out[5]: ((1, 1),) So, 'x' is treated as a constant. The same is possible with polynomial functions, like gcd(), factor() etc. -- Mateusz
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